CN112864433B - Construction method of electrocatalytic oxidation methanol fuel cell - Google Patents
Construction method of electrocatalytic oxidation methanol fuel cell Download PDFInfo
- Publication number
- CN112864433B CN112864433B CN201911192317.9A CN201911192317A CN112864433B CN 112864433 B CN112864433 B CN 112864433B CN 201911192317 A CN201911192317 A CN 201911192317A CN 112864433 B CN112864433 B CN 112864433B
- Authority
- CN
- China
- Prior art keywords
- electrode
- fuel cell
- paper
- platinum
- solution
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/1009—Fuel cells with solid electrolytes with one of the reactants being liquid, solid or liquid-charged
- H01M8/1011—Direct alcohol fuel cells [DAFC], e.g. direct methanol fuel cells [DMFC]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/8647—Inert electrodes with catalytic activity, e.g. for fuel cells consisting of more than one material, e.g. consisting of composites
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/88—Processes of manufacture
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/90—Selection of catalytic material
- H01M4/92—Metals of platinum group
- H01M4/921—Alloys or mixtures with metallic elements
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The invention relates to a construction method of an electrocatalytic oxidation methanol fuel cell, and belongs to the technical field of fuel cells. Coating a layer of graphene on one surface of paper serving as a substrate; preparing a Ni-Au/paper electrode with a nano structure by utilizing underpotential deposition, preparing an Au-Ni-Pt/paper electrode with a multi-stage nano structure by utilizing an etching growth-particle self-assembly method, and taking the Au-Ni-Pt/paper electrode as a fuel cell anode for standby; a platinum electrode is adopted as a cathode of the fuel cell; and connecting the prepared anode with a platinum electrode through a wire, and inserting the anode into a methanol solution to construct the electrocatalytic oxidation methanol fuel cell. The electrode used in the invention is composed of three metals, the nano-gold flower is used as a basic framework, and non-noble metal nickel is deposited and finally the nickel is replaced by platinum, so that the electrode has the advantages of lower noble metal platinum load, reduced electrode cost, improved catalytic activity of nano-platinum particles, higher catalytic efficiency and antitoxic performance when being applied to a methanol fuel cell.
Description
Technical Field
The invention belongs to the technical field of fuel cells, and particularly relates to a construction method of an electrocatalytic oxidation methanol fuel cell.
Background
In the 21 st century, humans faced with ever-increasing environmental pollution problems and energy crisis. In one aspect, the hazardous gases released from the combustion of fossil fuels in large quantities, including NO X 、SO X And the like, and various inhalable particles cause huge damage to the environment, and the worry of people on the survival condition of the self is initiated. On the other hand, the development of human economy and society is hindered by energy problems such as the rapid increase of fossil fuel exploitation amount, the decrease of reserves, the increase of exploitation difficulty and the like. This has led to a schedule for the study of efficient, clean alternative energy sources. In order to reduce the dependence on fossil energy and improve the quality of life, on the one hand, the development and utilization of renewable energy sources, such asSolar energy, wind energy, hydraulic energy, geothermal energy, biological energy and the like are utilized according to local conditions. On the other hand, the efficiency of the utilization of the existing energy is to be improved. The efficiency is improved, the energy demand can be reduced under the condition of not reducing the life quality, and the pollutant emission is reduced. And the fuel cell is used as an energy conversion device and can directly convert chemical energy of fuel into electric energy. The method is not limited by the Carnot efficiency, so the method has higher energy efficiency and can achieve the aim of effectively utilizing resources.
Among the fuel cells, the alcohol fuel cell uses cheap and easily available alcohols as fuel, and the fuel is liquid at normal temperature and pressure, compared with other fuel cells, the alcohol fuel cell has the advantages of safety, reliability, high energy density, low operation temperature, no electrolyte corrosion and the like, and in addition, the alcohol source used as the fuel is wide, cheap and easily available. The methanol source is wide, and the methanol source is renewable energy, and the manufactured fuel cell has small volume, convenient fuel utilization, cleanness and environmental protection. Therefore, the research of the methanol fuel cell has great application potential.
Disclosure of Invention
In order to solve the defects and shortcomings of the prior art, the primary aim of the invention is to provide a method for constructing a fuel cell by taking methanol as a direct fuel and taking a noble metal modified nano composite electrode as an anode, namely a method for constructing an electrocatalytic oxidation methanol fuel cell, wherein a three-dimensional flower-shaped gold-nickel-platinum modified nano composite electrode is taken as an anode, a platinum electrode is taken as a cathode, and a potassium hydroxide solution is taken as an electrolyte solution, and methanol is taken as a fuel to be combined and constructed into the fuel cell.
The technical scheme of the invention is as follows: the construction method of the electrocatalytic oxidation methanol fuel cell comprises the following steps:
(1) Coating a layer of graphene on one surface of paper serving as a substrate;
(2) Preparing a Ni-Au/paper electrode with a nano structure by utilizing underpotential deposition, preparing an Au-Ni-Pt/paper electrode with a multi-stage nano structure by utilizing an etching growth-particle self-assembly method, and taking the Au-Ni-Pt/paper electrode as a fuel cell anode for standby;
(3) A platinum electrode is adopted as a cathode of the fuel cell;
(4) And connecting the prepared anode with a platinum electrode through a wire, and inserting the anode into a methanol solution to construct the electrocatalytic oxidation methanol fuel cell.
Further, the preparation method of the Au-Ni-Pt/paper electrode with the multi-stage nano structure comprises the following steps: electrochemical deposition of flower-like nano gold on modified paper electrode by using three-electrode system and 0.5. 0.5M H 2 SO 4 And 1mg/mL KAuCl 4 The mixed solution of (1) is electrolyte solution, the modified paper electrode is a working electrode, the counter electrode is a platinum electrode, the reference electrode is Ag/AgCl, and the voltage is set to be-0.2V; then nickel sulfate solution is used as electrolyte solution, nano-structured Au/paper is used as a working electrode, and an Ag/AgCl electrode and a platinum wire electrode are used as reference electrodes; setting electro-deposition parameters of an electrochemical workstation by adopting a chronoamperometry: voltage-1V, time 500s; and after the nickel deposition is finished, immediately taking out the electrode, flushing with deionized water, transferring to a potassium tetrachloroplatinate solution, and standing for 100 seconds to obtain the electrode.
Further, the nickel sulfate solution is 0.02M NiSO 4 And 0.1M Na 2 SO 4 A mixed solution of the two.
Preparation of aqueous chloroauric acid solution: the concentration of the sulfuric acid solution is diluted to 0.5mol/L, chloroauric acid is dissolved in the sulfuric acid solution with the concentration, and ultrasonic treatment is carried out for 10 minutes at 25 ℃ to obtain 1mg/mL chloroauric acid aqueous solution.
Preparing nickel sulfate aqueous solution: a certain amount of nickel sulfate solid and sodium sulfate solid are dissolved in ultrapure water to prepare NiSO 4 (0.02 mol/L) and Na 2 SO 4 (0.1 mol/L) of a mixed solution.
Preparation of platinum solution: the concentration of the concentrated sulfuric acid is diluted to 0.5mol/L, and then the potassium tetrachloroplatinate solid powder is dissolved in sulfuric acid solution with the concentration of 0.5mol/L, and the solution is subjected to ultrasonic treatment for 10 minutes at 25 ℃ to obtain 1mg/mL of potassium tetrachloroplatinate aqueous solution.
Configuration of PDDA solution: a certain amount of solid PDDA was dissolved in ultrapure water to prepare a 2mg/mL aqueous PDDA solution.
The preparation method of the PSS solution comprises the following steps: an amount of solid PSS was dissolved in ultrapure water to prepare a 2mg/mL aqueous PSS solution.
The preparation method of the graphene solution comprises the following steps: graphene is dispersed in a dilute acetic acid solution by ultrasonic, and a graphene solution with the concentration of 1mg/mL is prepared.
Preparation of methanol solution: methanol solutions with different concentrations are prepared by taking 0.1mol/L KOH solution as a buffer solution.
The beneficial effects of the invention are as follows:
(1) The gold-nickel-platinum modified nano composite electrode has a non-close-packed three-dimensional structure, and a finer two-level flower-shaped nano structure is arranged on the basis of the three-dimensional structure, and the multi-level nano structure enables the surface of the electrode to have a very high specific surface area; meanwhile, the electrode is composed of three metals, the nano-gold flower is used as a basic framework, and non-noble metal nickel is deposited and finally the nickel is replaced by platinum, so that the electrode has lower noble metal platinum loading capacity, the cost of the electrode is reduced, and the catalytic activity of nano-platinum particles is improved. The electrode has the advantages of higher catalytic efficiency and antitoxic in the electrochemical catalytic oxidation of methanol.
(2) The methanol fuel cell has the characteristics of simple structure, easy carrying of electrolyte, high specific energy, good environmental protection and the like, and becomes a main item for research in recent years internationally. The efficiency of the platinum-based catalyst is highest in any fuel cell, but the development of fuel cells is limited due to the high cost of platinum. The invention uses alkaline medium as buffer solution, so that the selection of catalyst is not limited to platinum base. And the platinum base is easy to generate CO poisoning phenomenon, which directly affects the development and application of the fuel cell. The invention adopts the gold-nickel composite electrode, which not only reduces the cost, but also can not generate CO poisoning phenomenon, and has good catalytic effect due to the synergistic effect of two metals.
Drawings
FIG. 1 is a schematic diagram of a three-dimensional structure of an electrocatalytic oxidation methanol fuel cell;
FIG. 2 is a cyclic voltammogram of a Au-Ni-Pt electrode catalytic oxidation of methanol;
FIG. 3 is a cyclic voltammogram of Au-Ni-Pt electrode catalytic oxidation of methanol in methanol solutions of different concentrations;
FIG. 4 is a graph showing the upper half turn peak current of cyclic voltammogram for catalytic oxidation of methanol with a Au-Ni-Pt electrode;
FIG. 5 is a flow chart of the peak current at half turn of cyclic voltammetry for catalytic oxidation of methanol by a Au-Ni-Pt electrode.
Detailed Description
The present invention will be described in further detail with reference to specific examples. According to the design purpose of the invention, the simple substitution of similar substances and the change of the size and shape, such as changing the appearance of the electrode into square or other shapes, simply changing the dosage of substances such as potassium chloroaurate, nickel sulfate, potassium tetrachloroplatinate and the like, the value of the solution, the concentration of the solution or the deposition time and the like, and simply changing the application of the electrode and the like belong to the scope of the invention, and all the test methods used in the following embodiments are materials, reagents and the like used by the conventional methods in the technical field, and all the reagents and materials are commercially available unless otherwise specified.
Example 1: preparation of electrocatalytic oxidation methanol fuel cell electrode
The Au-Ni-Pt/paper electrode of the embodiment is prepared by the following method:
(1) And coating the graphene solution on the front surface of the paper electrode by using paper as a substrate. The electrodes were then alternately immersed in PDDA and PSS solutions for 3 minutes each, blow-dried, and repeated 3 times.
(2) Carrying out flower-like nano gold deposition on the modified paper electrode by adopting an electrochemical method: the three-electrode system is adopted, the mixed solution of potassium chloroaurate is used as an electrolyte solution, the modified paper electrode is used as a working electrode, the counter electrode is a platinum electrode, the reference electrode is Ag/AgCl, and the voltage is set to be-0.2V.
(3) The Au-Ni-Pt/paper composite electrode is prepared by adopting an electrochemical method: by a three-electrode system, in the form of NiSO 4 (0.02M) and Na 2 SO 4 The mixed solution of (0.1M) is electrolyte solution, au/paper with a nano structure is used as a working electrode, an Ag/AgCl electrode is used as a reference electrode, and a platinum electrode is used as a counter electrode. Setting electro-deposition parameters of an electrochemical workstation by adopting a chronoamperometry: voltage-1V, time 500s.Immediately taking out the electrode, washing with deionized water for multiple times, rapidly transferring to a new potassium tetrachloroplatinate solution, and standing for 100s for later use.
When the gold deposition conditions are different, the final multi-level Au-Ni-pt alloy nanoflowers also change in morphology due to the different particle sizes of the nanoflowers. The method is characterized in that the gold deposition time is longer, the formed nano gold flowers are denser, the self-assembly effect among atoms is obvious, and smaller aggregates which are similar are mutually connected; on the contrary, when the deposition time is shorter, the spacing of the nano golden flowers is sparse, so that the aggregates formed by self-assembly of atoms are more regularly distributed uniformly. The electrochemical performance is particularly prominent when the nanoparticle aggregates on the composite electrode are uniformly distributed.
Example 2: construction of electrocatalytic oxidation methanol fuel cell
Taking an Au-Ni-Pt/paper electrode as an anode and a Pt electrode as a cathode; adding potassium hydroxide solution with the concentration of 0.1mol/L into an anode pool as electrolyte solution, adding methanol with the concentration of 0.1mol/L into a cathode pool as fuel, adding methanol solution with the concentration of 0.1mol/L and the pH value of 8-14 into the cathode pool, and introducing oxygen, wherein the two pools are connected by an anion exchange membrane, so that the electrocatalytic oxidation methanol fuel cell is formed.
As shown in figure 1, the prepared anode and a platinum electrode are connected through a wire and inserted into a methanol solution to construct the electrocatalytic oxidation methanol fuel cell.
Example 3: performance test of electrocatalytic oxidation methanol fuel cell
Test of the performance of the electrocatalytic oxidation methanol fuel cell constructed in example 2: by using an electrochemical workstation, a circuit is connected first, a modified anode is used as a working electrode, a battery cathode is used as a counter electrode, and an Ag/AgCl electrode is used as a counter electrode. The cyclic voltammetry curve of the electrode is obtained by utilizing the cyclic voltammetry test electrode to catalyze methanol, and selecting a proper termination potential and scanning rate after determining the initial stable potential of the electrode. As shown in fig. 2. The catalytic effect of the Au-Ni-Pt electrode in 0mol/L,0.25mol/L,0.5mol/L,0.75mol/L,1.0mol/L,1.25mol/L methanol solution was tested at a scanning speed of 50 mV/s. As shown in fig. 3, it can be seen from the graph that as the concentration of the methanol solution increases, the oxidation current of the nano-electrode in the methanol solution increases, the oxidation peak increases, and a good linear response of catalyzing methanol is shown. As shown in fig. 4 and 5. The highest value can reach 27mA, and the Au-Ni-Pt electrode has good catalytic activity on methanol. The fuel composed of Au-Ni-Pt/paper electrode can convert bioenergy into electric energy.
While the invention has been described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (2)
1. The construction method of the electrocatalytic oxidation methanol fuel cell is characterized by comprising the following steps of:
(1) Coating a layer of graphene on one surface of paper serving as a substrate;
(2) Preparing an Au-Ni-Pt/paper electrode with a nano structure by utilizing underpotential deposition, and preparing the Au-Ni-Pt/paper electrode with a multi-stage nano structure by utilizing an etching growth-particle self-assembly method, wherein the Au-Ni-Pt/paper electrode is used as a fuel cell anode for standby;
the preparation method of the Au-Ni-Pt/paper electrode with the multi-stage nano structure comprises the following steps: electrochemical deposition of flower-like nano gold on modified paper electrode by using three-electrode system and 0.5. 0.5M H 2 SO 4 And 1mg/mL KAuCl 4 The mixed solution of (1) is electrolyte solution, the modified paper electrode is a working electrode, the counter electrode is a platinum electrode, the reference electrode is Ag/AgCl, and the set voltage is-0.2V; then nickel sulfate solution is used as electrolyte solution, nano-structured Au/paper is used as a working electrode, and an Ag/AgCl electrode and a platinum wire electrode are used as reference electrodes; setting electro-deposition parameters of an electrochemical workstation by adopting a chronoamperometry: voltage-1V, time 500s; immediately taking out after the nickel deposition is finished, flushing with deionized water, transferring into a potassium tetrachloroplatinate solution,standing for 100s to obtain the product; obtaining an Au-Ni-Pt/paper electrode with a multi-stage nano structure;
(3) A platinum electrode is adopted as a cathode of the fuel cell;
(4) And connecting the anode of the fuel cell with a platinum electrode through a wire, and inserting the anode into a methanol solution to construct the electrocatalytic oxidation methanol fuel cell.
2. The method for constructing an electrocatalytic oxidation methanol fuel cell as set forth in claim 1, wherein the nickel sulfate solution is 0.02M NiSO 4 And 0.1M Na 2 SO 4 A mixed solution of the two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911192317.9A CN112864433B (en) | 2019-11-28 | 2019-11-28 | Construction method of electrocatalytic oxidation methanol fuel cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911192317.9A CN112864433B (en) | 2019-11-28 | 2019-11-28 | Construction method of electrocatalytic oxidation methanol fuel cell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112864433A CN112864433A (en) | 2021-05-28 |
| CN112864433B true CN112864433B (en) | 2023-06-09 |
Family
ID=75995636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911192317.9A Active CN112864433B (en) | 2019-11-28 | 2019-11-28 | Construction method of electrocatalytic oxidation methanol fuel cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112864433B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107863538A (en) * | 2017-11-03 | 2018-03-30 | 大连大学 | A kind of electrode and its application for alcohol catalysis |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100691117B1 (en) * | 2004-05-25 | 2007-03-09 | 주식회사 엘지화학 | Ruthenium-rhodium alloy electrode catalyst and fuel cell comprising the same |
-
2019
- 2019-11-28 CN CN201911192317.9A patent/CN112864433B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107863538A (en) * | 2017-11-03 | 2018-03-30 | 大连大学 | A kind of electrode and its application for alcohol catalysis |
Non-Patent Citations (1)
| Title |
|---|
| 导电聚合物/贵金属复合材料应用于C1小分子电催化氧化;任芳芳;蒋丰兴;周卫强;杜玉扣;徐景坤;;化学进展(第09期);全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112864433A (en) | 2021-05-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110106517A (en) | Cobalt sulfide/layered double hydroxide composite electrocatalyst and preparation method thereof | |
| CN105304913A (en) | Nitrogen/transition metal-codoped hierarchical-pore carbon oxygen reduction catalyst, and preparation method and application thereof | |
| CN102806093B (en) | Preparation method of high-efficiency low-platinum catalyst for direct methanol fuel cell | |
| CN103820807A (en) | Device and method for producing hydrogen and generating electricity | |
| CN110280249A (en) | A kind of preparation method and its oxygen evolution application of non-noble metal Ni CoFe/NF elctro-catalyst | |
| CN107863538A (en) | A kind of electrode and its application for alcohol catalysis | |
| CN102703953B (en) | Method for preparing nanometer platinum/titanium dioxide nanotube electrode through cyclic voltammetry electrodeposition | |
| CN106299394A (en) | A kind of high-activity carbon fibre felt electrode material and its preparation method and application | |
| CN105148920A (en) | Self-supporting transition metal-metal alloy catalyst as well as preparation method and application of self-supporting transition metal-metal alloy catalyst | |
| CN102593474A (en) | Low-platinum fuel cell catalyst and preparation method thereof | |
| CN104037428A (en) | Direct methanol fuel cell with alloy-TiO2 nanotube/Ti anode and preparation method thereof | |
| CN112864433B (en) | Construction method of electrocatalytic oxidation methanol fuel cell | |
| CN113054228B (en) | Preparation method of CuO-NiNPs/ITO electrode and method for constructing methanol fuel cell by using same | |
| CN113130913B (en) | PtNPs/NiNPs/AgNWs/PET plastic electrode and application thereof in construction of fructose fuel cell | |
| CN113013420B (en) | Preparation method of fructose fuel cell with anti-poisoning capability | |
| CN113130917B (en) | Construction method of electrocatalytic oxidation ethanol fuel cell | |
| CN112993266B (en) | Construction starch fuel cell constructed by applying CuO-NiNPs/carbon cloth plastic electrode | |
| CN203967183U (en) | A kind of alloy-TiO 2nanotube/Ti anode direct methanol fuel cell | |
| CN109326799B (en) | Preparation method of nano porous platinum ruthenium catalyst | |
| CN113092552B (en) | Method for constructing lactose fuel cell by CuO-NiNPs/MFC electrode | |
| CN103464146A (en) | Pt/silicon nanometer array structure composite material and preparation method thereof | |
| CN110227467A (en) | A kind of three layers coaxially produce oxygen elctro-catalyst and preparation method thereof | |
| CN113013453B (en) | Method for constructing methanol fuel cell | |
| CN113130914B (en) | Lactose fuel cell and PtNPs/CuNPs/NiNPs/carbon cloth plastic electrode for constructing same | |
| CN113130950B (en) | Method for constructing maltose fuel cell by electrocatalytic oxidation of maltose solution by CuO/nickel foam electrode |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |